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    Subjectbug ?
    First: my english is realy bad - sorry

    My PC hangs sporadicaly (every 2 weeks) after heavy Network traffic.
    I tried to work around the problem by changing the NIC (dmfe >
    realtek, using new driver 8139too), but it din't help.
    Today i had the luck ( :-( ) that the syslog-console was activ, so
    that I could get the messages (otherwise the PC hangs completly, and
    its no more longer possible to change the console)
    The PC akts as a small server.
    Main running services:
    Kernel-NFS
    Samba 2.2.1
    mysql
    sshd: OpenSSH_2.9.9p2, SSH protocols 1.5/2.0, OpenSSL 0x0090602f
    apache w/ php
    ip-filter
    squid
    Hardware:
    lspci -v says:
    00:00.0 Host bridge: Acer Laboratories Inc. [ALi] M1541 (rev 04)
    Subsystem: Acer Laboratories Inc. [ALi] ALI M1541 Aladdin
    V/V+ AGP System Controller
    Flags: bus master, slow devsel, latency 32
    Memory at da000000 (32-bit, non-prefetchable) [size=16M]
    Capabilities: [b0] AGP version 1.0

    00:01.0 PCI bridge: Acer Laboratories Inc. [ALi] M5243 (rev 04)
    (prog-if 00 [Normal decode])
    Flags: bus master, slow devsel, latency 32
    Bus: primary=00, secondary=01, subordinate=01, sec-latency=32
    I/O behind bridge: 0000d000-0000dfff
    Memory behind bridge: d8000000-d9ffffff
    Prefetchable memory behind bridge: db000000-dbffffff

    00:07.0 ISA bridge: Acer Laboratories Inc. [ALi] M1533 PCI to ISA
    Bridge [Aladdin IV] (rev c3)
    Flags: bus master, medium devsel, latency 0

    00:0f.0 IDE interface: Acer Laboratories Inc. [ALi] M5229 IDE (rev c1)
    (prog-if fa)
    Flags: bus master, medium devsel, latency 32, IRQ 5
    I/O ports at f000 [size=16]

    00:10.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139
    (rev 10)
    Subsystem: Realtek Semiconductor Co., Ltd. RT8139
    Flags: bus master, medium devsel, latency 32, IRQ 10
    I/O ports at e000 [size=256]
    Memory at dd000000 (32-bit, non-prefetchable) [size=256]
    Expansion ROM at dc000000 [disabled] [size=64K]

    00:14.0 Network controller: AVM Audiovisuelles MKTG & Computer System
    GmbH A1 ISDN [Fritz] (rev 02)
    Subsystem: AVM Audiovisuelles MKTG & Computer System GmbH
    FRITZ!Card ISDN Controller
    Flags: medium devsel, IRQ 11
    Memory at dd002000 (32-bit, non-prefetchable) [size=32]
    I/O ports at e400 [size=32]

    01:00.0 VGA compatible controller: ATI Technologies Inc 3D Rage IIC
    AGP (rev 7a) (prog-if 00 [VGA])
    Subsystem: ATI Technologies Inc: Unknown device 0084
    Flags: bus master, stepping, medium devsel, latency 32, IRQ 11
    Memory at db000000 (32-bit, prefetchable) [size=16M]
    I/O ports at d000 [size=256]
    Memory at d9000000 (32-bit, non-prefetchable) [size=4K]
    Expansion ROM at <unassigned> [disabled] [size=128K]
    Capabilities: [5c] Power Management version 1



    and now the errormessage:
    invalid opperand: 0000
    CPU: 0
    EIP: 0010:[<c010a123>]
    ------ inserted
    (the only simmilar entry in System.map:c010a120 t IRQ0x00_interrupt)
    ------ continue
    EFLAGS: 00010046
    eax: d4ac5428 ebx:00000014 ecx:00000054 edx:14c42814
    esi: 0402d7c0 edi:26dd33a3 ebp:04040101 esp:c2f23fe8
    ds 002b es 002b ss 0018
    Process sshd (pid 1407, stackpage=c2f23000)
    Stack: ffffff00 08078480 00000023
    00000206 bffff236 0000002b
    Call Trace:

    Code: ff ff eb d9 89 f6 8d bc 27 00 00 00 00 68 01 ff ff ff eb c9

    teh error ocured while i was doing a backup via ssh & tar + gzip
    ( something like:
    ssh 192.168.0.1 tar -cSp --numeric-owner -f - /xport/netdata | gzip> \
    /var/backup/hdd4/filename.tgz)
    but as I said simillar errors ocure not only while running ssh.
    Same error i had with earlier Kernelversions (2.4.9, 2.4.8), thats wy
    i use a out-of-the-box-kernel of a Distribution (SuSE).
    If this error seems to result out of a hardware error, a reply would
    be verry nice.

    I send you the output of dmesg as a txtfile.
    I'w downloaded today aktual Kernel and try it with 2.4.17.

    Thank you all for doing such a good work on this nice OS.
    I work since 3 years with Linux - and I enjoi it every day.

    A happy new year from Berlin
    Klaus

    --
    live free or die :: linux
    Linux version 2.4.10-4GB (root@Pentium.suse.de) (gcc version 2.95.3 20010315 (SuSE)) #1 Tue Sep 25 12:33:54 GMT 2001
    BIOS-provided physical RAM map:
    BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
    BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
    BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
    BIOS-e820: 0000000000100000 - 0000000007ff0000 (usable)
    BIOS-e820: 0000000007ff0000 - 0000000007ff3000 (ACPI NVS)
    BIOS-e820: 0000000007ff3000 - 0000000008000000 (ACPI data)
    BIOS-e820: 00000000ffff0000 - 0000000100000000 (reserved)
    On node 0 totalpages: 32752
    zone(0): 4096 pages.
    zone(1): 28656 pages.
    zone(2): 0 pages.
    No local APIC present or hardware disabled
    Kernel command line: auto BOOT_IMAGE=server ro root=302 BOOT_FILE=/boot/vmlinuz
    Initializing CPU#0
    Detected 501.141 MHz processor.
    Console: colour VGA+ 80x25
    Calibrating delay loop... 999.42 BogoMIPS
    Memory: 126416k/131008k available (1289k kernel code, 4204k reserved, 381k data, 124k init, 0k highmem)
    Dentry-cache hash table entries: 16384 (order: 5, 131072 bytes)
    Inode-cache hash table entries: 8192 (order: 4, 65536 bytes)
    Mount-cache hash table entries: 2048 (order: 2, 16384 bytes)
    Buffer-cache hash table entries: 4096 (order: 2, 16384 bytes)
    Page-cache hash table entries: 32768 (order: 5, 131072 bytes)
    CPU: Before vendor init, caps: 008021bf 808029bf 00000000, vendor = 2
    Enabling new style K6 write allocation for 127 Mb
    CPU: L1 I Cache: 32K (32 bytes/line), D cache 32K (32 bytes/line)
    CPU: After vendor init, caps: 008021bf 808029bf 00000000 00000002
    CPU: After generic, caps: 008021bf 808029bf 00000000 00000002
    CPU: Common caps: 008021bf 808029bf 00000000 00000002
    CPU: AMD-K6(tm) 3D processor stepping 0c
    Checking 'hlt' instruction... OK.
    POSIX conformance testing by UNIFIX
    mtrr: v1.40 (20010327) Richard Gooch (rgooch@atnf.csiro.au)
    mtrr: detected mtrr type: AMD K6
    PCI: PCI BIOS revision 2.10 entry at 0xfb2a0, last bus=1
    PCI: Using configuration type 1
    PCI: Probing PCI hardware
    PCI: Using IRQ router ALI [10b9/1533] at 00:07.0
    Linux NET4.0 for Linux 2.4
    Based upon Swansea University Computer Society NET3.039
    Initializing RT netlink socket
    apm: BIOS version 1.2 Flags 0x07 (Driver version 1.14)
    Starting kswapd
    VFS: Diskquotas version dquot_6.5.0 initialized
    pty: 256 Unix98 ptys configured
    Serial driver version 5.05c (2001-07-08) with HUB-6 MANY_PORTS MULTIPORT SHARE_IRQ SERIAL_PCI enabled
    ttyS00 at 0x03f8 (irq = 4) is a 16550A
    ttyS01 at 0x02f8 (irq = 3) is a 16550A
    Real Time Clock Driver v1.10e
    block: 128 slots per queue, batch=16
    RAMDISK driver initialized: 16 RAM disks of 64000K size 1024 blocksize
    Uniform Multi-Platform E-IDE driver Revision: 6.31
    ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
    ALI15X3: IDE controller on PCI bus 00 dev 78
    PCI: Assigned IRQ 5 for device 00:0f.0
    ALI15X3: chipset revision 193
    ALI15X3: not 100% native mode: will probe irqs later
    ide0: BM-DMA at 0xf000-0xf007, BIOS settings: hda:DMA, hdb:DMA
    ide1: BM-DMA at 0xf008-0xf00f, BIOS settings: hdc:DMA, hdd:pio
    hda: QUANTUM BIGFOOT TS12.7A, ATA DISK drive
    hdb: FX810S, ATAPI CD/DVD-ROM drive
    ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
    hdc: ST320423A, ATA DISK drive
    ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
    ide1 at 0x170-0x177,0x376 on irq 15
    hda: 25075008 sectors (12838 MB) w/418KiB Cache, CHS=1560/255/63, UDMA(33)
    hdc: 40011300 sectors (20486 MB) w/512KiB Cache, CHS=39693/16/63, UDMA(33)
    hdb: ATAPI 8X CD-ROM drive, 256kB Cache, DMA
    Uniform CD-ROM driver Revision: 3.12
    ide-floppy driver 0.97.sv
    Partition check:
    hda: hda1 hda2 hda3
    hdc: hdc1 hdc2 hdc3 hdc4 < hdc5 hdc6 >
    Floppy drive(s): fd0 is 1.44M
    FDC 0 is a post-1991 82077
    loop: loaded (max 8 devices)
    ide-floppy driver 0.97.sv
    SCSI subsystem driver Revision: 1.00
    request_module[scsi_hostadapter]: Root fs not mounted
    request_module[scsi_hostadapter]: Root fs not mounted
    md: md driver 0.90.0 MAX_MD_DEVS=256, MD_SB_DISKS=27
    md: Autodetecting RAID arrays.
    md: autorun ...
    md: ... autorun DONE.
    NET4: Linux TCP/IP 1.0 for NET4.0
    IP Protocols: ICMP, UDP, TCP, IGMP
    IP: routing cache hash table of 512 buckets, 4Kbytes
    TCP: Hash tables configured (established 8192 bind 8192)
    Linux IP multicast router 0.06 plus PIM-SM
    NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
    VFS: Mounted root (ext2 filesystem) readonly.
    Freeing unused kernel memory: 124k freed
    Adding Swap: 249944k swap-space (priority -1)
    Adding Swap: 128480k swap-space (priority -2)
    CSLIP: code copyright 1989 Regents of the University of California
    ISDN subsystem Rev: 1.114.6.14/1.94.6.7/1.140.6.8/1.85.6.6/1.21.6.1/1.5.6.3 loaded
    HiSax: Linux Driver for passive ISDN cards
    HiSax: Version 3.5 (module)
    HiSax: Layer1 Revision 2.41.6.4
    HiSax: Layer2 Revision 2.25.6.3
    HiSax: TeiMgr Revision 2.17.6.2
    HiSax: Layer3 Revision 2.17.6.4
    HiSax: LinkLayer Revision 2.51.6.5
    HiSax: Approval certification valid
    HiSax: Approved with ELSA Microlink PCI cards
    HiSax: Approved with Eicon Technology Diva 2.01 PCI cards
    HiSax: Approved with Sedlbauer Speedfax + cards
    HiSax: Approved with HFC-S PCI A based cards
    HiSax: Total 1 card defined
    HiSax: Card 1 Protocol EDSS1 Id=HiSax (0)
    HiSax: AVM PCI driver Rev. 1.22.6.5
    PCI: Found IRQ 11 for device 00:14.0
    AVM PCI: stat 0x20a
    AVM PCI: Class A Rev 2
    HiSax: AVM Fritz!PCI config irq:11 base:0xE400
    AVM PCI: ISAC version (0): 2086/2186 V1.1
    AVM Fritz PnP/PCI: IRQ 11 count 0
    AVM Fritz PnP/PCI: IRQ 11 count 5
    HiSax: DSS1 Rev. 2.30.6.1
    HiSax: 2 channels added
    HiSax: MAX_WAITING_CALLS added
    HiSax: debugging flags card 1 set to 4
    isdn: Verbose-Level is 3
    ippp, open, slot: 0, minor: 0, state: 0000
    ippp_ccp: allocated reset data structure c5427000
    8139too Fast Ethernet driver 0.9.18a
    PCI: Found IRQ 10 for device 00:10.0
    eth0: RealTek RTL8139 Fast Ethernet at 0xc8849000, 00:50:fc:2e:bc:5c, IRQ 10
    eth0: Identified 8139 chip type 'RTL-8139C'
    eth0: Setting half-duplex based on auto-negotiated partner ability 0000.
    IPv6 v0.8 for NET4.0
    IPv6 over IPv4 tunneling driver
    Installing knfsd (copyright (C) 1996 okir@monad.swb.de).
    ip_tables: (c)2000 Netfilter core team
    ip_conntrack (1023 buckets, 8184 max)
    eth0: no IPv6 routers present
    OPEN: 192.168.1.99 -> 145.253.2.11 ICMP
    ippp0: dialing 1 0192071...
    isdn_net: ippp0 connected
    nfsd: last server has exited
    nfsd: unexporting all filesystems
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